public void EncryptDecryptSimpleStringTest()
{
string plainText = "Hello World!";
byte[] plainBytes = System.Text.Encoding.UTF8.GetBytes(plainText);
byte[] iv = SimpleRandomGenerator.QuickGetRandomBytes(16);
byte[] key = SimpleRandomGenerator.QuickGetRandomBytes(32);
byte[] cipherBytes = AESUtility.EncryptBytes(plainBytes, key, iv);
byte[] decryptedBytes = AESUtility.DecryptBytes(cipherBytes, key, iv);
string decryptedPlainText = System.Text.Encoding.UTF8.GetString(decryptedBytes);
Assert.AreEqual(plainText, decryptedPlainText);
}
public Boolean Process()
{
Boolean retVal = false;
try
{
_state = Common.NodeState.Processing;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Processing AESDecryptNode.");
if (IV.Value == null)
{
//Split IV from the data
using (MemoryStream dataWithIV = new MemoryStream(EncryptedData.Value))
{
Byte[] iv = new Byte[16];
dataWithIV.Read(iv, 0, iv.Length);
Byte[] dataBlock = new Byte[dataWithIV.Length - iv.Length];
dataWithIV.Read(dataBlock, 0, dataBlock.Length);
IV.SetValue(iv);
EncryptedData.SetValue(dataBlock);
}
}
Byte[] inBlock = (Byte[])EncryptedData.Value;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Creating AES decryptor.");
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Key = {0}.", ((Byte[])Key.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "IV = {0}.", ((Byte[])IV.Value).ToPrettyString());
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Input = {0}.", inBlock.ToPrettyString());
Byte[] outBlock = AESUtility.DecryptBytes(inBlock, (Byte[])Key.Value, (Byte[])IV.Value);
_unencryptedData.SetValue(UnicodeEncoding.Unicode.GetString(outBlock));
retVal = true;
}
catch (Exception ex)
{
_state = Common.NodeState.Error;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.Fail | DFramework.Logging.Interfaces.LoggerMessageType.Exception | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Exception occurred in AESDecryptNode :: {0}", ex.ToString());
retVal = false;
}
finally
{
_state = Common.NodeState.Processed;
DLoggerManager.Instance.Logger.Log(DFramework.Logging.Interfaces.LoggerMessageType.VerboseHigh | DFramework.Logging.Interfaces.LoggerMessageType.Information | DFramework.Logging.Interfaces.LoggerMessageType.Sensitive, "Processed AESDecryptNode.");
if (retVal)
{
Processed?.Invoke(this, EventArgs.Empty);
}
}
if (retVal)
{
if (_next != null && _next.Length > 0)
{
return(_next[0].Process());
}
else
{
return(true);
}
}
else
{
return(false);
}
}
public static T Decode <T>(string source)
{
byte[] decrypted = AESUtility.DecryptBytes(source, "HENA").GZipDecompress();
return(JsonConvert.DeserializeObject <T>(ByteExtensions.ToUTF8String(decrypted)));
}